General

  • Target

    964221e2d1782fa804dc6e965ee4f920N.exe

  • Size

    2.0MB

  • Sample

    240818-dhsy5s1hmc

  • MD5

    964221e2d1782fa804dc6e965ee4f920

  • SHA1

    be0fcc6e0e64cee8bf68ca0f8665b06dc26933e6

  • SHA256

    b3c2f56de0655f102fe52ba1aec7369f7a79bf37f563c5f1efe41211d26b2d09

  • SHA512

    ab4a683dc080d1c0f5f584a20631255d47e2745305c5e116f89e5cdb636f611fd8cf28b62acca95a8ab4c224a9bc62b21208b81722383323d1357da777305bc6

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYu:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y0

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

EbayProfiles

C2

5.8.88.191:443

sockartek.icu:443

Mutex

QSR_MUTEX_0kBRNrRz5TDLEQouI0

Attributes
  • encryption_key

    MWhG6wsClMX8aJM2CVXT

  • install_name

    winsock.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    win defender run

  • subdirectory

    SubDir

Extracted

Family

azorult

C2

http://0x21.in:8000/_az/

Targets

    • Target

      964221e2d1782fa804dc6e965ee4f920N.exe

    • Size

      2.0MB

    • MD5

      964221e2d1782fa804dc6e965ee4f920

    • SHA1

      be0fcc6e0e64cee8bf68ca0f8665b06dc26933e6

    • SHA256

      b3c2f56de0655f102fe52ba1aec7369f7a79bf37f563c5f1efe41211d26b2d09

    • SHA512

      ab4a683dc080d1c0f5f584a20631255d47e2745305c5e116f89e5cdb636f611fd8cf28b62acca95a8ab4c224a9bc62b21208b81722383323d1357da777305bc6

    • SSDEEP

      24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYu:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Y0

    • Azorult

      An information stealer that was first discovered in 2016, targeting browsing history and passwords.

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks